Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303114 | Telephone set | David C. Danielson, Norman K. Hart, Lynnet Koh, John N. McGarvey | 1989-08-29 |
| D303115 | Telephone stand | Norman K. Hart, Lynnet Koh | 1989-08-29 |
| 4473322 | Method and system for lining shafts | H. Vance Echols | 1984-09-25 |
| 4379590 | Ventilation air and process air distribution for in situ oil shale retorts | Gordon B. French, David E. Miall | 1983-04-12 |